Download and unzip the firmware and tool provided by support.
If provided with a desktop update tool (such as "Multimedia Product Tool"), follow these general steps: W-king D8 Firmware Update
W-KING typically does not host direct firmware download links on their public website to ensure users get the correct version for their specific hardware revision. Download and unzip the firmware and tool provided by support
Use a high-quality USB-C cable to connect the speaker to your PC while holding the buttons. W-king D8 Firmware Update
Newer firmware versions like v3.61 or v3.7 address Bluetooth dropping issues. How to Get the Official Update
Updates often provide "richer bass" and "clearer sound" across different volume levels.